package com.example.springboot.config;

import org.apache.catalina.connector.Connector;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
@AutoConfigureAfter(WebMvcAutoConfiguration.class)
public class WebMvcConfig implements WebMvcConfigurer {

    @Value("${server.http.port}")
    private int httpPort;

    @Autowired
    private ResourceConfigBean resourceConfigBean;

    @Bean
    public Connector connector(){
        Connector connector=new Connector();
        connector.setScheme("http");
        connector.setPort(httpPort);
        return connector;
    }
    @Bean
    public ServletWebServerFactory servletWebServerFactory(){
        TomcatServletWebServerFactory factory=new TomcatServletWebServerFactory();
        factory.addAdditionalTomcatConnectors(connector());
        return factory;
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        String systemName = System.getProperty("os.name");
        if (systemName.toLowerCase().startsWith("win")) {
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX +
                            resourceConfigBean.getLocalPathForWindow());
        } else  {
            registry.addResourceHandler(resourceConfigBean.getResourcePathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX +
                            resourceConfigBean.getLocalPathForLinux());
        }
    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOrigins("*")
                .allowedMethods("POST", "GET", "PUT", "OPTIONS", "DELETE")
                .maxAge(3600)
                .allowedOriginPatterns("*");
//          .allowCredentials(true);
    }
}
